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HTML 

              
                <div class="gb_body">
  <div class="screen">
    <div class="screen-cover--top-left">
      
    </div>
    <div class="screen-cover--top-right">
      
    </div>
    <div class="power">
      <div class="light"></div>
      <p>POWER</p>
    </div>
    <div class="screen_main"></div>
  </div>
  <div class="screen-cover--left"></div>
  <div class="btm">
    <div class="text">Nintendo</div>
    <div class="middle"></div>
    <div class="btns">
      <div class="button_dpad">
        <div class="inner">
          <div class="up_down">
            <div class="u">
              <i class="fas fa-caret-up"></i>
            </div>
            <div class="d">
              <i class="fas fa-caret-down"></i>
            </div>
          </div>
          <div class="left_right">
            <div class="r">
              <i class="fas fa-caret-right"></i>              
            </div>
            <div class="left">
              <i class="fas fa-caret-left"></i>
            </div>
          </div>
        </div>
  </div>    
      <div class="btns_circle">
        <div class="btns_circle_left">
          <h1>B</h1>
        </div>
        <div class="btns_circle_right">
          <h1>A</h1>
        </div>
      </div>
      <div class="btns_btm">
        <div class="btns_left"></div>
        <div class="btns_right"></div>
      </div>
    </div>
    <div class="speaker"></div>
  </div>
  <div class="cover--left"></div>
  <div class="cover--right"></div>
</div>
<!-- <div id="name">
  <a href="https://twitter.com/KassandraSanch" target="_blank">@KassandraSanch</a>
</div> -->
!

CSS 

              
                $t: transparent;
$bk: #fff;
$p: #ff1654;
$w: #e9e9e7;

@mixin for-phone-only {
  @media (max-width: 599px) {
    @content;
  }
}
@mixin for-tablet-portrait-up {
  @media (max-width: 600px) {
    @content;
  }
}
@mixin for-tablet-landscape-up {
  @media (min-width: 900px) {
    @content;
  }
}

*{
  box-sizing: border-box;
}
body {
  // font-size: 1.6vmin;
  font-size:9px; 
  background: $bk;
  background-size: 320px;
  background-repeat: no-repeat;
  display: flex;
  justify-content:center;
  align-items: center;
  width: 100vw;
  height: 100vh;
   @include for-phone-only {
    font-size: 7px;
  }      
  #name{
   @include for-tablet-portrait-up {
    left: -5%;
    font-size: 3.3em;
  }      
    font-size: 2.8em;
    font-family: 'Pacifico', cursive;
    position: absolute;
    left: 25%;
    top:50%;
    transform: rotate(270deg);
    a{
      color: #44a5f7;
      text-decoration: none;
      text-shadow: 1px 1px #000;
    }
  }
  .btns_top {
    z-index: 5;
    position: absolute;
    left: 0%;
    top: 0%;
  }
}
.gb_body {
 
  &:before{
    top:0%;
    left:50%;
    transform:translatex(-50%);
    border:2px solid rgba(#000,.2);
    content: '';
    position:absolute;
    width:100.3%;
    height:95%;
    // background:lime;
    border-radius:1.5em;
    border-bottom-left-radius:8em;
    border-bottom-right-radius:8em;
    z-index: -1;
    box-shadow: 
      0px -2px 3px rgba(0, 0, 0, 0.1),
      0px 0px 1.2em 1em rgba(#000,.1),
      0px 0px 1.5em 2.5em rgba(#000,.05),
      ;
  }
    .cover--left{
      width:7.4em;
      height:2em;
      position:absolute;
    bottom:-1.4em;
      border-top-right-radius:5em;
      background:$bk;
      background:$bk;
  }
      .cover--right{
      width:7.4em;
      height:2em;
      position:absolute;
    bottom:-1.4em;
        right:0;
      border-top-left-radius:5em;
      background:$bk;
  }
  width: 32em;
  height: 55.1em;

  position: relative;
  background: 
    //     TOP CORNERS
      // corner left
      radial-gradient(240% 240% at 100% 100%, $t 49%, #CFCFCF 50%) 0 0 / 2em 2em,
    // corner right
      radial-gradient(240% 240% at 0% 100%, $t 49%, #CFCFCF 50%) 100% 0 / 2em 2em,
    //     BTM CORNERS
    // sm
      radial-gradient(130% 150% at 0% 0%, rgba($t, 0) 75%, rgba($bk, 1) 76%)
      30em 51em / 2em 2em,      
      // corner left
      radial-gradient(283% 202% at 00% 0%, rgba($t, 0) 49%, rgba($bk, 1) 50%)
      100% 100% / 10em 10em,
  
    // corner right
    // sm
      radial-gradient(130% 150% at 100% 0%, rgba($t, 0) 75%, rgba($bk, 1) 76%)
      0em 51em / 2em 2em,      
      radial-gradient(283% 202% at 100% 0%, rgba($t, 0) 49%, rgba($bk, 1) 50%) 0
      100% / 10em 10em,
    //     END BTM CORNERS    
    linear-gradient(
      to left,
    rgba($w,1),
      rgba(#d1d1cf,.1)
    ) 0% 0% / 4.8em 100%,
    linear-gradient(
      to left,
    rgba($w,1),
      rgba(#d1d1cf,.1)
    ) 100% 0% / 4.8em 100%,    
    rgba($w, 1)
    ;
  background-repeat: no-repeat;
   
  .screen{
    &:after{
      content:'';
      background:pink;
      border-top-right-radius:2em;
      width:1.5em;
      height:5em;
      // border:2px solid orange;
      position:absolute;
      top:23.8em;
      left:-.5em;
      background:#E7E7E5;
      background:#E7E7E5;

    }
    &:before{
      content:'';
      background:pink;
      border-top-left-radius:2em;
      width:1.5em;
      height:5em;
      // border:2px solid orange;
      position:absolute;
      top:23.8em;
      right:-.5em;
      background:#E7E7E5;
      background:#E7E7E5;

    }    
    z-index: 3;
    width: 28.3em; 
    height: 25.6em;
    position: absolute;
    top: 2em;
    left: 50%;
    transform: translate(-50%,0);
    background: 
//     // corners
//       //     TOP CORNERS
      // corner left
      radial-gradient(230% 230% at 100% 100%, $t 49%, $w 50%) 0 0 / 2em 2em,
//     // corner right
      radial-gradient(230% 230% at 0% 100%, $t 49%, $w 50%) 100% 0 / 2em 2em,    
//       //     BTM CORNERS
      // sm corner left
      radial-gradient(200% 200% at 100% 0%, rgba($t, 0) 49%, rgba($w, 1) 50%)
      0% 96.5% / 2em 2em,
//     // sm corner right
      radial-gradient(200% 200% at 0% 0%, $t 49%, $w 50%) 100% 96.5% / 2em 2em,       
//       // lg corner left
      radial-gradient(400% 204% at 00% 0%, rgba($t, 0) 49%, rgba($w, 1) 50%)
      100% 100% / 10em 10em,
//     // lg corner right 
      radial-gradient(400% 204% at 100% 0%, rgba($t, 0) 49%, rgba($w, 1) 50%) 0
      100% / 10em 10em,    
    // main back    
    linear-gradient(
      rgba(#272727, 1), 
      rgba(#141414, 1)) 
       50% 50% / 100%,
      
      ;
    background-repeat: no-repeat;
    .screen-cover--top-left{
      width:1em;
      height:1em;
      position:relative;
      border-radius:1.5em;
      top:-.5em;
      left:-.5em;
      background:#E9E9E7;
    }
    .screen-cover--top-right{
      width:1em;
      height:1em;
      position:absolute;
      border-radius:1.5em;
      top:-.5em;
      right:-.5em;
      background:#E9E9E7;
    }    
    .power{
      .light{
        animation: blink-animation 1.5s steps(5, start) infinite;
        -webkit-animation: blink-animation 1.5s steps(5, start) infinite;
        width:.9em;
        height:.9em;
        border-radius:50%;
        // border:1px solid red;
        position:relative;
        top:0em;
        left:.68em;
        background:#232323;
      }
      width:5em;
      height: 3em;
      position:absolute;
      left: 0%; 
      top: 7.5em;
      font-family: verdana;
      color: #fff;
      background: 
// red light        
      radial-gradient(100% 100% at 50% 50%, rgba(#fff, .3) 47%, rgba($t, 0) 50%) 1em
      .3em / .3em .3em,          
      radial-gradient(100% 100% at 50% 50%, rgba(#FF0D33, 1) 47%, rgba($t, 0) 50%) .7em
      .1em / .8em .8em,           
// end red light     
        
// WHITE HALF MOONS
      radial-gradient(
    circle at 0% 50%,
    $t .3em,
        #fff,
    $t .6em,
  ) 
  3.4em .1em / .8em .8em,          
      radial-gradient(
    circle at 0% 50%,
    $t .3em,
        #fff,
    $t .6em,
  ) 
  2.7em .1em / .8em .8em,             
      radial-gradient(
    circle at 0% 50%,
    $t .3em,
        #fff,
    $t .6em,
  ) 
  2em .1em / .8em .8em,          
// END WHITE HALF MOONS
  
        ;
      background-repeat: no-repeat;
      p{
        font-size: .8em;
        position: absolute;
        top: 2em;
        left: 50%;
        transform:translate(-50%,0);
      }
    }
    .screen_main{
      width: 19em;
      height: 17em;
      position: absolute;
       box-shadow: inset 2px 5px 3px 3px #000;
      left: 50%;
      top: 3em;
      transform: translate(-50%,0%);
      background: 
        linear-gradient(
        rgba(#272727, 1), 
        rgba(#141414, 1)) 
         50% 50% / 100%,
      ;
        
        ;
      background-repeat: no-repeat;
    }
  }
  .btm{
    .text{
      z-index:6;
        border: 2px solid rgba(#b9b9b8,.7);
         text-shadow: 1px 1px rgba(#b9b9b8,.7);
      // box-shadow: 1px 1px rgba(#b9b9b8,.0);
        font-weight: bold;
        font-family: verdana;
        color: #E8E8E6;  
        position: absolute;
        font-size: 1.4em;
        top:53.5%;
      left: 50%; 
      transform:translate(-50%,0);
        position: absolute;
        text-align:center; 
      padding: 3px;
      border-radius: 35%;
    }
    .middle{
      z-index: 4;
      width: 22em;
      height: 23em;
      // border: 2px solid $p;
      position: absolute;
      top: 48%;
      left: 50%;
      transform: translate(-50%, 0);
      background: 
      radial-gradient(100% 100% at 50% 0%, rgba(#141414, 1) 47%, rgba($t, 0) 50%)
      50% 0% / 27em 2.7em,   
//       // lg corner left
      radial-gradient(400% 202% at 00% 0%, rgba($t, 0) 49%, rgba($w, 1) 50%)
      100% 100% / 10em 10em,
//     // lg corner right
      radial-gradient(400% 202% at 100% 0%, rgba($t, 0) 49%, rgba($w, 1) 50%) 0
      100% / 10em 10em,           
        linear-gradient(
          rgba(#fff,.8),
          rgba(#fff,.8)
        )
        ;
      background-repeat: no-repeat;
    }
    .btns{
      .btns_circle{
        div{
          width: 4.3em;
          height: 4.3em;
          position: absolute;
          border: 2px solid #000;
          border-radius: 50%;
          color: #000;
          background: 
          radial-gradient(100% 100% at 50% 90%, rgba($t, .0) 46%, rgba($w, .4) 50%)
          50% -1.4em / 110% 4em,            
            linear-gradient(
            #3A3839, #191718
          );
          background-repeat: no-repeat;
          z-index: 5;
          h1{
            position: absolute;
            top: 18%;
            left: 18%;
            font-size: 2.5em;
            font-family: arial;
          }
        }
        .btns_circle_left{
          left: 61%;
          top: 64%;
          
        }
        .btns_circle_right{
          left: 79%;
          top: 60.5%;          
        }        
      }
      .btns_btm{
        z-index: 5;
        width: 9em;
        height: 1.6em;
        top: 44.4em;
        left: 50%;
        transform: translate(-50%, 0);
        position: absolute;
        display: flex;
        justify-content:space-between;
        div{
          border-radius: 10px;
          background: 
            linear-gradient(
              rgba($t,.2) 14%,
            rgba(#fff,.5) 15%,
              rgba($t,.2) 50%
            ),
            #302F33;
          border: 1.5px solid #000;
          width: 3.5em;
          background-repeat: no-repeat;
         text-shadow: 1px 1px rgba(#b9b9b8,.7);
          font-weight: bold;
            font-family: verdana;
            color: #E8E8E6;          
        }
        .btns_left{
          &:after{
            width: 50%;
            content: 'SELECT';
            position: absolute;
            top: 1.9em;
            left: -.5em;
            text-align:center;
          }
        }
        .btns_right{
          &:after{
            width: 50%;
            content: 'START';
            position: absolute;
            top: 1.9em;
            left: 5em;
            text-align:center;
          }
        }        
      }
    }
    .speaker{
      z-index: 6;
      transform:rotate(-5deg);
      width: 8em;
      height: 8em;
      position: absolute;
      top: 45em;
      left: 22.5em;
      background:
        // top row
        radial-gradient(100% 100% at 50% 50%, rgba(#232323, 1) 49%, rgba($bk, 0) 50%)
        5.2em 0 / .6em .6em,  
        radial-gradient(100% 100% at 50% 50%, rgba(#d0d0cf, 1) 49%, rgba($bk, 0) 50%)
        4.3em 0 / .6em .6em,           
        radial-gradient(100% 100% at 50% 50%, rgba(#232323, 1) 49%, rgba($bk, 0) 50%)
        3.5em 0 / .6em .6em,  
        radial-gradient(100% 100% at 50% 50%, rgba(#d0d0cf, 1) 49%, rgba($bk, 0) 50%)
        2.5em 0 / .6em .6em,          
        radial-gradient(100% 100% at 50% 50%, rgba(#232323, 1) 49%, rgba($bk, 0) 50%)
        1.5em 0 / .6em .6em,  
        // end top row  
        // 2nd row   
        radial-gradient(100% 100% at 50% 50%, rgba(#232323, 1) 49%, rgba($bk, 0) 50%)
        .5em 1em / .6em .6em,  
        radial-gradient(100% 100% at 50% 50%, rgba(#d0d0cf, 1) 49%, rgba($bk, 0) 50%)
        1.5em 1em / .6em .6em,                   radial-gradient(100% 100% at 50% 50%, rgba(#232323, 1) 49%, rgba($bk, 0) 50%)
        2.5em 1em / .6em .6em, 
        radial-gradient(100% 100% at 50% 50%, rgba(#d0d0cf, 1) 49%, rgba($bk, 0) 50%)
        3.5em 1em / .6em .6em,                    radial-gradient(100% 100% at 50% 50%, rgba(#232323, 1) 49%, rgba($bk, 0) 50%)
        4.5em 1em / .6em .6em,
        radial-gradient(100% 100% at 50% 50%, rgba(#d0d0cf, 1) 49%, rgba($bk, 0) 50%)
        5.5em 1em / .6em .6em,         
           radial-gradient(100% 100% at 50% 50%, rgba(#232323, 1) 49%, rgba($bk, 0) 50%)
        6.5em 1em / .6em .6em,        
        // end 2nd row   
        // 3rd row   
        radial-gradient(100% 100% at 50% 50%, rgba(#d0d0cf, 1) 49%, rgba($bk, 0) 50%)
        .5em 2em / .6em .6em,  
        radial-gradient(100% 100% at 50% 50%, rgba(#232323, 1) 49%, rgba($bk, 0) 50%)
        1.5em 2em / .6em .6em,                   radial-gradient(100% 100% at 50% 50%, rgba(#d0d0cf, 1) 49%, rgba($bk, 0) 50%)
        2.5em 2em / .6em .6em, 
        radial-gradient(100% 100% at 50% 50%, rgba(#232323, 1) 49%, rgba($bk, 0) 50%)
        3.5em 2em / .6em .6em,                    radial-gradient(100% 100% at 50% 50%, rgba(#d0d0cf, 1) 49%, rgba($bk, 0) 50%)
        4.5em 2em / .6em .6em,
        radial-gradient(100% 100% at 50% 50%, rgba(#232323, 1) 49%, rgba($bk, 0) 50%)
        5.5em 2em / .6em .6em,         
           radial-gradient(100% 100% at 50% 50%, rgba(#d0d0cf, 1) 49%, rgba($bk, 0) 50%)
        6.5em 2em / .6em .6em,        
        // end 3rd row       
        // 4th row   
        radial-gradient(100% 100% at 50% 50%, rgba(#232323, 1) 49%, rgba($bk, 0) 50%)
        .5em 3em / .6em .6em,  
        radial-gradient(100% 100% at 50% 50%, rgba(#d0d0cf, 1) 49%, rgba($bk, 0) 50%)
        1.5em 3em / .6em .6em,                   radial-gradient(100% 100% at 50% 50%, rgba(#232323, 1) 49%, rgba($bk, 0) 50%)
        2.5em 3em / .6em .6em, 
        radial-gradient(100% 100% at 50% 50%, rgba(#d0d0cf, 1) 49%, rgba($bk, 0) 50%)
        3.5em 3em / .6em .6em,                    radial-gradient(100% 100% at 50% 50%, rgba(#232323, 1) 49%, rgba($bk, 0) 50%)
        4.5em 3em / .6em .6em,
        radial-gradient(100% 100% at 50% 50%, rgba(#d0d0cf, 1) 49%, rgba($bk, 0) 50%)
        5.5em 3em / .6em .6em,         
           radial-gradient(100% 100% at 50% 50%, rgba(#232323, 1) 49%, rgba($bk, 0) 50%)
        6.5em 3em / .6em .6em,        
        // end 4th row  
        // 5th row   
        radial-gradient(100% 100% at 50% 50%, rgba(#d0d0cf, 1) 49%, rgba($bk, 0) 50%)
        .5em 4em / .6em .6em,  
        radial-gradient(100% 100% at 50% 50%, rgba(#232323, 1) 49%, rgba($bk, 0) 50%)
        1.5em 4em / .6em .6em,                   radial-gradient(100% 100% at 50% 50%, rgba(#d0d0cf, 1) 49%, rgba($bk, 0) 50%)
        2.5em 4em / .6em .6em, 
        radial-gradient(100% 100% at 50% 50%, rgba(#232323, 1) 49%, rgba($bk, 0) 50%)
        3.5em 4em / .6em .6em,                    radial-gradient(100% 100% at 50% 50%, rgba(#d0d0cf, 1) 49%, rgba($bk, 0) 50%)
        4.5em 4em / .6em .6em,
        radial-gradient(100% 100% at 50% 50%, rgba(#232323, 1) 49%, rgba($bk, 0) 50%)
        5.5em 4em / .6em .6em,         
           radial-gradient(100% 100% at 50% 50%, rgba(#d0d0cf, 1) 49%, rgba($bk, 0) 50%)
        6.5em 4em / .6em .6em,        
        // end 5th row  
        // 6th row   
        radial-gradient(100% 100% at 50% 50%, rgba(#232323, 1) 49%, rgba($bk, 0) 50%)
        .5em 5em / .6em .6em,  
        radial-gradient(100% 100% at 50% 50%, rgba(#d0d0cf, 1) 49%, rgba($bk, 0) 50%)
        1.5em 3em / .6em .6em,                   radial-gradient(100% 100% at 50% 50%, rgba(#232323, 1) 49%, rgba($bk, 0) 50%)
        2.5em 5em / .6em .6em, 
        radial-gradient(100% 100% at 50% 50%, rgba(#d0d0cf, 1) 49%, rgba($bk, 0) 50%)
        3.5em 5em / .6em .6em,                    radial-gradient(100% 100% at 50% 50%, rgba(#232323, 1) 49%, rgba($bk, 0) 50%)
        4.5em 5em / .6em .6em,
        radial-gradient(100% 100% at 50% 50%, rgba(#d0d0cf, 1) 49%, rgba($bk, 0) 50%)
        5.5em 5em / .6em .6em,         
           radial-gradient(100% 100% at 50% 50%, rgba(#232323, 1) 49%, rgba($bk, 0) 50%)
        6.5em 5em / .6em .6em,        
        // end 6th row   
        //  7th row 
        radial-gradient(100% 100% at 50% 50%, rgba(#232323, 1) 49%, rgba($bk, 0) 50%)
        5.2em 6em / .6em .6em,  
        radial-gradient(100% 100% at 50% 50%, rgba(#d0d0cf, 1) 49%, rgba($bk, 0) 50%)
        4.3em 0em / .6em .6em,           
        radial-gradient(100% 100% at 50% 50%, rgba(#232323, 1) 49%, rgba($bk, 0) 50%)
        3.5em 6em / .6em .6em,  
        radial-gradient(100% 100% at 50% 50%, rgba(#d0d0cf, 1) 49%, rgba($bk, 0) 50%)
        2.5em 6em / .6em .6em,          
        radial-gradient(100% 100% at 50% 50%, rgba(#232323, 1) 49%, rgba($bk, 0) 50%)
        1.5em 6em / .6em .6em,  
        // end 7th row         
        ;
      background-repeat: no-repeat;
    }
  }
}
.button_dpad{
  z-index: 5;
  width: 12em;
  height: 12em; 
  position: absolute;
  top: 69.2%;
  left: 25.5%;  
  transform:translate(-50%,-50%); 
  justify-content: center;
  align-items: center; 
  .inner{
    position: relative;
    width: 8.6em; 
    height: 8.6em;
    border-radius: 50%;
    // border:3px solid green;
    i{
      font-size: 3.2em;
      color: #000;   
      position: absolute;

    }    
    .left_right{
      position: absolute;
      top:50%;
      left: 50%;
      transform: translate(-50%,-50%);
      width: 100%;
      height:2.9em;
      background: 
// BTM            
          linear-gradient(
            to right,
          rgba($w,.2),
            rgba($w,.2)
          ) 100% 100% / .2em 100%, 
          linear-gradient(
            to right,
          rgba(#d1d1cf,.0),
            rgba($w,.2)
          ) 100% 100% / 2em 100%,         
          linear-gradient(
            to right,
          rgba($w,.2),
            rgba(#d1d1cf,.0)
          ) 0% 100% / 2em 100%,            
// END BTM              
        
        rgba(#282828,1);
      border-radius: 8px;
      border: 3px solid #000;
      background-repeat:no-repeat;
      .r{
         i{
           top: -.17em;
          left: 2.05em; 
        }
      }
      .left{      
        i{
          top: -.17em;
        }
      }
    }    
    .up_down{
      z-index: 5;
      position: absolute;
      top:50%;
      left: 50%;
      transform: translate(-50%,-50%);
      width: 2.9em;
      height:100%;
      background: rgba(#282828,1);
      border-radius: 8px;
      border: 3px solid #000;
      &:after{
        content: '';
        position:absolute; 
        width: 1.7em;
        height: 1.7em;
        background: 
          // radial-gradient(100% 100% at 50% 90%, rgba($t, .0) 46%, rgba($w, .4) 50%)
          // 50% -1.4em / 110% 4em, 
          radial-gradient(100% 100% at 50% 10%,rgba($t,.5) 55%, rgba($w, .4) 60%, rgba($t, .4) 63%)
          50% -1.2em / 140% 4em,             
          rgba(#000,1)
          ;        
        background-repeat: no-repeat; 
        top:50%;
        left: 50%;
        transform: translate(-50%,-50%);   
        border-radius: 50%;
      }
      &:before{
        content: '';
        border: 3px solid #282828;
        position:absolute;
        width: 100%;
        height: 2.5em;
        background: rgba(#282828,1);
        top:50%;
        left: 50%;
        transform: translate(-50%,-50%);         
      }     
      div{
        display: flex;
        justify-content: center;
        
      }
      .u{
        i{
          top: -.2em;
        }
      }
        .d{
          z-index: 6;
          width: 100%;
          height: 100%;
          background: 
// BTM            
          linear-gradient(
          rgba(#d1d1cf,.0),
            rgba($w,.2)
          ) 0% 100% / 100% .2em,             
          linear-gradient(
          rgba(#d1d1cf,.0),
            rgba($w,.1)
          ) 0% 100% / 100% 2em,            
// END BTM                
// TOP            
          linear-gradient(
          rgba($w,.5),
            rgba(#d1d1cf,.0)
          ) 0% 0% / 100% .2em,             
          linear-gradient(
          rgba($w,.3),
            rgba(#d1d1cf,.0)
          ) 0% 0% / 100% 2em,         
// END TOP     
            ;
          background-repeat: no-repeat;
          i{
            top: 1.5em;

          }
        }      
    }     
  }

}
@keyframes blink-animation {
  to {
    visibility: hidden;
  }
}
@-webkit-keyframes blink-animation {
  to {
    visibility: hidden;
  }
}
!

JS
!
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Console