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HTML

              
                <div class="main-container">
    <h1>Красочные CSS кнопки</h1>
    <section>
        <h2>Border - Open</h2><button class="btn btn-green btn-border-o">Emerald</button><button class="btn btn-blue btn-border-o">Peter River</button><button class="btn btn-purple btn-border-o">Amethyst</button><button class="btn btn-navy btn-border-o">Wet Asphalt</button>
        <button
            class="btn btn-orange btn-border-o">Carrot</button><button class="btn btn-red btn-border-o">Alizarin</button></section>
    <section>
        <h2>Border</h2><button class="btn btn-green btn-border">Emerald</button><button class="btn btn-blue btn-border">Peter River</button><button class="btn btn-purple btn-border">Amethyst</button><button class="btn btn-navy btn-border">Wet Asphalt</button>
        <button
            class="btn btn-orange btn-border">Carrot</button><button class="btn btn-red btn-border">Alizarin</button></section>
    <section>
        <h2>Border Reversed - Open</h2><button class="btn btn-green btn-border-rev-o">Emerald</button><button class="btn btn-blue btn-border-rev-o">Peter River</button><button class="btn btn-purple btn-border-rev-o">Amethyst</button><button class="btn btn-navy btn-border-rev-o">Wet Asphalt</button>
        <button
            class="btn btn-orange btn-border-rev-o">Carrot</button><button class="btn btn-red btn-border-rev-o">Alizarin</button></section>
    <section>
        <h2>Border Reversed</h2><button class="btn btn-green btn-border-rev">Emerald</button><button class="btn btn-blue btn-border-rev">Peter River</button><button class="btn btn-purple btn-border-rev">Amethyst</button><button class="btn btn-navy btn-border-rev">Wet Asphalt</button>
        <button
            class="btn btn-orange btn-border-rev">Carrot</button><button class="btn btn-red btn-border-rev">Alizarin</button></section>
    <section>
        <h2>Fill Vertical - Open</h2><button class="btn btn-green btn-fill-vert-o">Emerald</button><button class="btn btn-blue btn-fill-vert-o">Peter River</button><button class="btn btn-purple btn-fill-vert-o">Amethyst</button><button class="btn btn-navy btn-fill-vert-o">Wet Asphalt</button>
        <button
            class="btn btn-orange btn-fill-vert-o">Carrot</button><button class="btn btn-red btn-fill-vert-o">Alizarin</button></section>
    <section>
        <h2>Fill Vertical</h2><button class="btn btn-green btn-fill-vert">Emerald</button><button class="btn btn-blue btn-fill-vert">Peter River</button><button class="btn btn-purple btn-fill-vert">Amethyst</button><button class="btn btn-navy btn-fill-vert">Wet Asphalt</button>
        <button
            class="btn btn-orange btn-fill-vert">Carrot</button><button class="btn btn-red btn-fill-vert">Alizarin</button></section>
    <section>
        <h2>Fill Horizontal - Open</h2><button class="btn btn-green btn-fill-horz-o">Emerald</button><button class="btn btn-blue btn-fill-horz-o">Peter River</button><button class="btn btn-purple btn-fill-horz-o">Amethyst</button><button class="btn btn-navy btn-fill-horz-o">Wet Asphalt</button>
        <button
            class="btn btn-orange btn-fill-horz-o">Carrot</button><button class="btn btn-red btn-fill-horz-o">Alizarin</button></section>
              
            
!

CSS

              
                @import url(//codepen.io/chrisdothtml/pen/ojLzJK.css);
/* Reset */
 .animate, .btn, .btn-border-o:before, .btn-border-o:after, .btn-border:before, .btn-border:after, .btn-border-rev-o:before, .btn-border-rev-o:after, .btn-border-rev:before, .btn-border-rev:after, .btn-fill-vert-o:before, .btn-fill-vert-o:after, .btn-fill-vert:before, .btn-fill-vert:after, .btn-fill-horz-o:before, .btn-fill-horz-o:after, .btn-fill-horz:before, .btn-fill-horz:after {
	 transition: all 0.3s;
}
/* Main Styles */
 .main-container {
	 width: 100%;
	 max-width: 750px;
	 margin: 0 auto;
	 padding: 0 15px;
}
 h1 {
	 line-height: 1;
	 padding: 25px 0;
	 border-bottom: 1px solid #2c3e50;
	 font-size: 35px;
	 color: #2c3e50;
	 text-align: center;
}
 section {
	 padding: 60px 0 61px;
	 text-align: center;
	 position: relative;
}
 section h2 {
	 margin-bottom: 15px;
	 font-weight: normal;
	 font-size: 17px;
	 color: #d2d2d2;
	 text-align: center;
}
 section:not(:last-child):after {
	 content: '';
	 width: 70%;
	 height: 1px;
	 border-bottom: 1px dashed #2c3e50;
	 opacity: 0.5;
	 position: absolute;
	 bottom: -1px;
	 left: 15%;
}
 .btn {
	 display: inline-block;
	 line-height: 35px;
	 margin: 8px;
	 padding: 0 15px;
	 font-size: 15px;
	 position: relative;
	 opacity: 0.999;
	 border-radius: 3px;
}
 .btn-border-o {
	 background-color: transparent;
	 border: 1px solid #d0d0d0;
	 color: #b8b8b8;
}
 .btn-border-o:before, .btn-border-o:after {
	 content: '';
	 border-style: solid;
	 position: absolute;
	 z-index: 5;
	 border-radius: 3px;
	 box-sizing: content-box;
}
 .btn-border-o:before {
	 width: 0;
	 height: 100%;
	 border-width: 1px 0 1px 0;
	 top: -1px;
	 left: 0;
	 transition-delay: 0.05s;
}
 .btn-border-o:after {
	 width: 100%;
	 height: 0;
	 border-width: 0 1px 0 1px;
	 top: 0;
	 left: -1px;
}
 .btn-border-o:hover:before {
	 width: 100%;
}
 .btn-border-o:hover:after {
	 height: 100%;
}
 .btn-border-o.btn-green:before, .btn-border-o.btn-green:after {
	 border-color: #2ecc71;
}
 .btn-border-o.btn-green:hover {
	 color: #2ecc71;
}
 .btn-border-o.btn-blue:before, .btn-border-o.btn-blue:after {
	 border-color: #3498db;
}
 .btn-border-o.btn-blue:hover {
	 color: #3498db;
}
 .btn-border-o.btn-purple:before, .btn-border-o.btn-purple:after {
	 border-color: #9b59b6;
}
 .btn-border-o.btn-purple:hover {
	 color: #9b59b6;
}
 .btn-border-o.btn-navy:before, .btn-border-o.btn-navy:after {
	 border-color: #34495e;
}
 .btn-border-o.btn-navy:hover {
	 color: #34495e;
}
 .btn-border-o.btn-orange:before, .btn-border-o.btn-orange:after {
	 border-color: #e67e22;
}
 .btn-border-o.btn-orange:hover {
	 color: #e67e22;
}
 .btn-border-o.btn-red:before, .btn-border-o.btn-red:after {
	 border-color: #e74c3c;
}
 .btn-border-o.btn-red:hover {
	 color: #e74c3c;
}
 .btn-border {
	 background-color: #e5e5e5;
	 border: 1px solid #e5e5e5;
	 color: #a6a6a6;
}
 .btn-border:before, .btn-border:after {
	 content: '';
	 border-style: solid;
	 position: absolute;
	 z-index: 5;
	 border-radius: 3px;
	 box-sizing: content-box;
}
 .btn-border:before {
	 width: 0;
	 height: 100%;
	 border-width: 1px 0 1px 0;
	 top: -1px;
	 left: 0;
	 transition-delay: 0.05s;
}
 .btn-border:after {
	 width: 100%;
	 height: 0;
	 border-width: 0 1px 0 1px;
	 top: 0;
	 left: -1px;
}
 .btn-border:hover {
	 background-color: transparent;
}
 .btn-border:hover:before {
	 width: 100%;
}
 .btn-border:hover:after {
	 height: 100%;
}
 .btn-border.btn-green:before, .btn-border.btn-green:after {
	 border-color: #2ecc71;
}
 .btn-border.btn-green:hover {
	 color: #2ecc71;
}
 .btn-border.btn-blue:before, .btn-border.btn-blue:after {
	 border-color: #3498db;
}
 .btn-border.btn-blue:hover {
	 color: #3498db;
}
 .btn-border.btn-purple:before, .btn-border.btn-purple:after {
	 border-color: #9b59b6;
}
 .btn-border.btn-purple:hover {
	 color: #9b59b6;
}
 .btn-border.btn-navy:before, .btn-border.btn-navy:after {
	 border-color: #34495e;
}
 .btn-border.btn-navy:hover {
	 color: #34495e;
}
 .btn-border.btn-orange:before, .btn-border.btn-orange:after {
	 border-color: #e67e22;
}
 .btn-border.btn-orange:hover {
	 color: #e67e22;
}
 .btn-border.btn-red:before, .btn-border.btn-red:after {
	 border-color: #e74c3c;
}
 .btn-border.btn-red:hover {
	 color: #e74c3c;
}
 .btn-border-rev-o {
	 background-color: transparent;
	 border: 1px solid #d0d0d0;
	 color: #b8b8b8;
}
 .btn-border-rev-o:before, .btn-border-rev-o:after {
	 content: '';
	 border-style: solid;
	 position: absolute;
	 z-index: 5;
	 border-radius: 3px;
	 box-sizing: content-box;
}
 .btn-border-rev-o:before {
	 width: 0;
	 height: 100%;
	 border-width: 1px 0 1px 0;
	 top: -1px;
	 right: 0;
	 transition-delay: 0.05s;
}
 .btn-border-rev-o:after {
	 width: 100%;
	 height: 0;
	 border-width: 0 1px 0 1px;
	 bottom: 0;
	 left: -1px;
}
 .btn-border-rev-o:hover:before {
	 width: 100%;
}
 .btn-border-rev-o:hover:after {
	 height: 100%;
}
 .btn-border-rev-o.btn-green:before, .btn-border-rev-o.btn-green:after {
	 border-color: #2ecc71;
}
 .btn-border-rev-o.btn-green:hover {
	 color: #2ecc71;
}
 .btn-border-rev-o.btn-blue:before, .btn-border-rev-o.btn-blue:after {
	 border-color: #3498db;
}
 .btn-border-rev-o.btn-blue:hover {
	 color: #3498db;
}
 .btn-border-rev-o.btn-purple:before, .btn-border-rev-o.btn-purple:after {
	 border-color: #9b59b6;
}
 .btn-border-rev-o.btn-purple:hover {
	 color: #9b59b6;
}
 .btn-border-rev-o.btn-navy:before, .btn-border-rev-o.btn-navy:after {
	 border-color: #34495e;
}
 .btn-border-rev-o.btn-navy:hover {
	 color: #34495e;
}
 .btn-border-rev-o.btn-orange:before, .btn-border-rev-o.btn-orange:after {
	 border-color: #e67e22;
}
 .btn-border-rev-o.btn-orange:hover {
	 color: #e67e22;
}
 .btn-border-rev-o.btn-red:before, .btn-border-rev-o.btn-red:after {
	 border-color: #e74c3c;
}
 .btn-border-rev-o.btn-red:hover {
	 color: #e74c3c;
}
 .btn-border-rev {
	 background-color: #e5e5e5;
	 border: 1px solid #e5e5e5;
	 color: #a6a6a6;
}
 .btn-border-rev:before, .btn-border-rev:after {
	 content: '';
	 border-style: solid;
	 position: absolute;
	 z-index: 5;
	 border-radius: 3px;
	 box-sizing: content-box;
}
 .btn-border-rev:before {
	 width: 0;
	 height: 100%;
	 border-width: 1px 0 1px 0;
	 top: -1px;
	 right: 0;
}
 .btn-border-rev:after {
	 width: 100%;
	 height: 0;
	 border-width: 0 1px 0 1px;
	 bottom: 0;
	 left: -1px;
	 transition-delay: 0.05s;
}
 .btn-border-rev:hover {
	 background-color: transparent;
}
 .btn-border-rev:hover:before {
	 width: 100%;
}
 .btn-border-rev:hover:after {
	 height: 100%;
}
 .btn-border-rev.btn-green:before, .btn-border-rev.btn-green:after {
	 border-color: #2ecc71;
}
 .btn-border-rev.btn-green:hover {
	 color: #2ecc71;
}
 .btn-border-rev.btn-blue:before, .btn-border-rev.btn-blue:after {
	 border-color: #3498db;
}
 .btn-border-rev.btn-blue:hover {
	 color: #3498db;
}
 .btn-border-rev.btn-purple:before, .btn-border-rev.btn-purple:after {
	 border-color: #9b59b6;
}
 .btn-border-rev.btn-purple:hover {
	 color: #9b59b6;
}
 .btn-border-rev.btn-navy:before, .btn-border-rev.btn-navy:after {
	 border-color: #34495e;
}
 .btn-border-rev.btn-navy:hover {
	 color: #34495e;
}
 .btn-border-rev.btn-orange:before, .btn-border-rev.btn-orange:after {
	 border-color: #e67e22;
}
 .btn-border-rev.btn-orange:hover {
	 color: #e67e22;
}
 .btn-border-rev.btn-red:before, .btn-border-rev.btn-red:after {
	 border-color: #e74c3c;
}
 .btn-border-rev.btn-red:hover {
	 color: #e74c3c;
}
 .btn-fill-vert-o {
	 background-color: transparent;
	 border: 1px solid #d0d0d0;
	 color: #b8b8b8;
	 overflow: hidden;
}
 .btn-fill-vert-o:before, .btn-fill-vert-o:after {
	 content: '';
	 width: 100%;
	 height: 0;
	 opacity: 0;
	 position: absolute;
	 left: 0;
	 z-index: -1;
}
 .btn-fill-vert-o:before {
	 top: 50%;
}
 .btn-fill-vert-o:after {
	 bottom: 50%;
}
 .btn-fill-vert-o:hover {
	 color: #fff;
}
 .btn-fill-vert-o:hover:before, .btn-fill-vert-o:hover:after {
	 height: 50%;
	 opacity: 1;
}
 .btn-fill-vert-o.btn-green:before, .btn-fill-vert-o.btn-green:after {
	 background-color: #2ecc71;
}
 .btn-fill-vert-o.btn-green:hover {
	 border-color: #2ecc71;
}
 .btn-fill-vert-o.btn-blue:before, .btn-fill-vert-o.btn-blue:after {
	 background-color: #3498db;
}
 .btn-fill-vert-o.btn-blue:hover {
	 border-color: #3498db;
}
 .btn-fill-vert-o.btn-purple:before, .btn-fill-vert-o.btn-purple:after {
	 background-color: #9b59b6;
}
 .btn-fill-vert-o.btn-purple:hover {
	 border-color: #9b59b6;
}
 .btn-fill-vert-o.btn-navy:before, .btn-fill-vert-o.btn-navy:after {
	 background-color: #34495e;
}
 .btn-fill-vert-o.btn-navy:hover {
	 border-color: #34495e;
}
 .btn-fill-vert-o.btn-orange:before, .btn-fill-vert-o.btn-orange:after {
	 background-color: #e67e22;
}
 .btn-fill-vert-o.btn-orange:hover {
	 border-color: #e67e22;
}
 .btn-fill-vert-o.btn-red:before, .btn-fill-vert-o.btn-red:after {
	 background-color: #e74c3c;
}
 .btn-fill-vert-o.btn-red:hover {
	 border-color: #e74c3c;
}
 .btn-fill-vert {
	 background-color: #e5e5e5;
	 border: 1px solid #e5e5e5;
	 color: #a6a6a6;
	 overflow: hidden;
}
 .btn-fill-vert:before, .btn-fill-vert:after {
	 content: '';
	 width: 100%;
	 height: 0;
	 opacity: 0;
	 position: absolute;
	 left: 0;
	 z-index: -1;
}
 .btn-fill-vert:before {
	 top: 50%;
}
 .btn-fill-vert:after {
	 bottom: 50%;
}
 .btn-fill-vert:hover {
	 color: #fff;
}
 .btn-fill-vert:hover:before, .btn-fill-vert:hover:after {
	 height: 50%;
	 opacity: 1;
}
 .btn-fill-vert.btn-green:before, .btn-fill-vert.btn-green:after {
	 background-color: #2ecc71;
}
 .btn-fill-vert.btn-green:hover {
	 border-color: #2ecc71;
}
 .btn-fill-vert.btn-blue:before, .btn-fill-vert.btn-blue:after {
	 background-color: #3498db;
}
 .btn-fill-vert.btn-blue:hover {
	 border-color: #3498db;
}
 .btn-fill-vert.btn-purple:before, .btn-fill-vert.btn-purple:after {
	 background-color: #9b59b6;
}
 .btn-fill-vert.btn-purple:hover {
	 border-color: #9b59b6;
}
 .btn-fill-vert.btn-navy:before, .btn-fill-vert.btn-navy:after {
	 background-color: #34495e;
}
 .btn-fill-vert.btn-navy:hover {
	 border-color: #34495e;
}
 .btn-fill-vert.btn-orange:before, .btn-fill-vert.btn-orange:after {
	 background-color: #e67e22;
}
 .btn-fill-vert.btn-orange:hover {
	 border-color: #e67e22;
}
 .btn-fill-vert.btn-red:before, .btn-fill-vert.btn-red:after {
	 background-color: #e74c3c;
}
 .btn-fill-vert.btn-red:hover {
	 border-color: #e74c3c;
}
 .btn-fill-horz-o {
	 background-color: transparent;
	 border: 1px solid #d0d0d0;
	 color: #b8b8b8;
	 overflow: hidden;
}
 .btn-fill-horz-o:before, .btn-fill-horz-o:after {
	 content: '';
	 width: 0;
	 height: 100%;
	 opacity: 0;
	 position: absolute;
	 top: 0;
	 z-index: -1;
}
 .btn-fill-horz-o:before {
	 left: 50%;
}
 .btn-fill-horz-o:after {
	 right: 50%;
}
 .btn-fill-horz-o:hover {
	 color: #fff;
}
 .btn-fill-horz-o:hover:before, .btn-fill-horz-o:hover:after {
	 width: 50%;
	 opacity: 1;
}
 .btn-fill-horz-o.btn-green:before, .btn-fill-horz-o.btn-green:after {
	 background-color: #2ecc71;
}
 .btn-fill-horz-o.btn-green:hover {
	 border-color: #2ecc71;
}
 .btn-fill-horz-o.btn-blue:before, .btn-fill-horz-o.btn-blue:after {
	 background-color: #3498db;
}
 .btn-fill-horz-o.btn-blue:hover {
	 border-color: #3498db;
}
 .btn-fill-horz-o.btn-purple:before, .btn-fill-horz-o.btn-purple:after {
	 background-color: #9b59b6;
}
 .btn-fill-horz-o.btn-purple:hover {
	 border-color: #9b59b6;
}
 .btn-fill-horz-o.btn-navy:before, .btn-fill-horz-o.btn-navy:after {
	 background-color: #34495e;
}
 .btn-fill-horz-o.btn-navy:hover {
	 border-color: #34495e;
}
 .btn-fill-horz-o.btn-orange:before, .btn-fill-horz-o.btn-orange:after {
	 background-color: #e67e22;
}
 .btn-fill-horz-o.btn-orange:hover {
	 border-color: #e67e22;
}
 .btn-fill-horz-o.btn-red:before, .btn-fill-horz-o.btn-red:after {
	 background-color: #e74c3c;
}
 .btn-fill-horz-o.btn-red:hover {
	 border-color: #e74c3c;
}
 .btn-fill-horz {
	 background-color: #e5e5e5;
	 border: 1px solid #e5e5e5;
	 color: #a6a6a6;
	 overflow: hidden;
}
 .btn-fill-horz:before, .btn-fill-horz:after {
	 content: '';
	 width: 0;
	 height: 100%;
	 opacity: 0;
	 position: absolute;
	 top: 0;
	 z-index: -1;
}
 .btn-fill-horz:before {
	 left: 50%;
}
 .btn-fill-horz:after {
	 right: 50%;
}
 .btn-fill-horz:hover {
	 color: #fff;
}
 .btn-fill-horz:hover:before, .btn-fill-horz:hover:after {
	 width: 50%;
	 opacity: 1;
}
 .btn-fill-horz.btn-green:before, .btn-fill-horz.btn-green:after {
	 background-color: #2ecc71;
}
 .btn-fill-horz.btn-green:hover {
	 border-color: #2ecc71;
}
 .btn-fill-horz.btn-blue:before, .btn-fill-horz.btn-blue:after {
	 background-color: #3498db;
}
 .btn-fill-horz.btn-blue:hover {
	 border-color: #3498db;
}
 .btn-fill-horz.btn-purple:before, .btn-fill-horz.btn-purple:after {
	 background-color: #9b59b6;
}
 .btn-fill-horz.btn-purple:hover {
	 border-color: #9b59b6;
}
 .btn-fill-horz.btn-navy:before, .btn-fill-horz.btn-navy:after {
	 background-color: #34495e;
}
 .btn-fill-horz.btn-navy:hover {
	 border-color: #34495e;
}
 .btn-fill-horz.btn-orange:before, .btn-fill-horz.btn-orange:after {
	 background-color: #e67e22;
}
 .btn-fill-horz.btn-orange:hover {
	 border-color: #e67e22;
}
 .btn-fill-horz.btn-red:before, .btn-fill-horz.btn-red:after {
	 background-color: #e74c3c;
}
 .btn-fill-horz.btn-red:hover {
	 border-color: #e74c3c;
}
              
            
!

JS

              
                
              
            
!
999px

Console