Source code [img Buttons]

imgButtons.css

/*!
* Image Buttons v1.2.0
* by zkreations
*/
.imgbtn {
    display: inline-block;
    font-size: 12px;
    padding: 1.2em calc(50px + 1.2em) 1.2em 1.2em;
    border-radius: 4px;
    position: relative;
    background-color: #263238;
    color: #fff !important;
    text-shadow: 0 1px 2px rgba(0, 0, 0, .5);
    box-shadow: 0 1px 2px 0 rgba(0, 0, 0, .5);
    margin: 5px;
    overflow: hidden;
    background-size: cover;
    background-repeat: no-repeat;
    background-position: center;
}

@media (min-width: 560px) {
 .imgbtn {
     font-size: 14px;
 }
}

@media (min-width: 768px) {
 .imgbtn {
     font-size: 16px;
 }
}

/*Iconos y contenedor*/
.imgbtn::after,
.imgbtn::before {
    position: absolute;
    right: 0;
    top: 0;
    bottom: 0;
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    width: 50px;
    -webkit-box-align: center;
        -ms-flex-align: center;
            align-items: center;
    -webkit-box-pack: center;
        -ms-flex-pack: center;
            justify-content: center;
}
.imgbtn::before {
    font-size: 18px;
    z-index: 5;
}
@media (min-width: 560px) {
 .imgbtn::before {
     font-size: 20px;
 }
}
@media (min-width: 768px) {
 .imgbtn::before {
     font-size: 22px;
 }
}
.imgbtn::after {
    background-color: #00BCD4;
    content: "";
}
.imgbtn:active,
.imgbtn:focus,
.imgbtn:hover {
    text-decoration: none!important;
    color: #fff !important;
}
/*Tamaños*/
.imgbtn--small {
    font-size: 12px;
}

.imgbtn--large {
    font-size: 20px;
}

.imgbtn--xlarge {
    font-size: 20px;
    padding: 1.2em 1.2em calc(50px + 1.2em) 1.2em;
}
.imgbtn--xlarge::after, .imgbtn--xlarge::before {
    height: 50px;
    width: 100%;
    bottom: 0;
    top: auto;
}
/*Colores*/
.imgbtn--cyan,
.imgbtn--red,
.imgbtn--green,
.imgbtn--amber,
.imgbtn--purple,
.imgbtn--indigo,
.imgbtn--teal {
    border-width: 2px;
    border-style: solid;
}
.imgbtn--cyan {
    background-color: #224851;
    border-color: #00BCD4
}
.imgbtn--red {
    background-color: #532f30;
    border-color: #f44336
}
.imgbtn--red::after {
    background-color: #F44336
}
.imgbtn--green {
    background-color: #3e4935;
    border-color: #8bc34a
}
.imgbtn--green::after {
    background-color: #8BC34A
}
.imgbtn--amber {
    background-color: #554927;
    border-color: #ffc107
}
.imgbtn--amber::after {
    background-color: #FFC107
}
.imgbtn--purple {
    background-color: #362d4b;
    border-color: #673AB7
}
.imgbtn--purple::after {
    background-color: #673AB7
}
.imgbtn--indigo {
    border-color: #3f51b5;
    background-color: #2e324a
}
.imgbtn--indigo::after {
    background-color: #3f51b5
}
.imgbtn--teal {
    border-color: #009688;
    background-color: #224041
}
.imgbtn--teal::after {
    background-color: #009688
}

/*Animaciones*/
@-webkit-keyframes shake {
    from, to {
        -webkit-transform: translate3d(0, 0, 0);
                transform: translate3d(0, 0, 0)
    }
    10%,
    70% {
        -webkit-transform: translate3d(-5px, 0, 0);
                transform: translate3d(-5px, 0, 0)
    }
    40% {
        -webkit-transform: translate3d(5px, 0, 0);
                transform: translate3d(5px, 0, 0)
    }
}
@keyframes shake {
    from, to {
        -webkit-transform: translate3d(0, 0, 0);
                transform: translate3d(0, 0, 0)
    }
    10%,
    70% {
        -webkit-transform: translate3d(-5px, 0, 0);
                transform: translate3d(-5px, 0, 0)
    }
    40% {
        -webkit-transform: translate3d(5px, 0, 0);
                transform: translate3d(5px, 0, 0)
    }
}
.imgbtn--shake:hover::before {
    -webkit-animation: shake 1s;
            animation: shake 1s
}
@-webkit-keyframes rubber {
    from, to {
        -webkit-transform: scale3d(1, 1, 1);
                transform: scale3d(1, 1, 1)
    }
    30% {
        -webkit-transform: scale3d(1.25, .75, 1);
                transform: scale3d(1.25, .75, 1)
    }
    40% {
        -webkit-transform: scale3d(.5, 1.25, 1);
                transform: scale3d(.5, 1.25, 1)
    }
    50% {
        -webkit-transform: scale3d(1.2, .85, 1);
                transform: scale3d(1.2, .85, 1)
    }
    65% {
        -webkit-transform: scale3d(.9, 1.05, 1);
                transform: scale3d(.9, 1.05, 1)
    }
    75% {
        -webkit-transform: scale3d(1.05, .95, 1);
                transform: scale3d(1.05, .95, 1)
    }
}
@keyframes rubber {
    from, to {
        -webkit-transform: scale3d(1, 1, 1);
                transform: scale3d(1, 1, 1)
    }
    30% {
        -webkit-transform: scale3d(1.25, .75, 1);
                transform: scale3d(1.25, .75, 1)
    }
    40% {
        -webkit-transform: scale3d(.5, 1.25, 1);
                transform: scale3d(.5, 1.25, 1)
    }
    50% {
        -webkit-transform: scale3d(1.2, .85, 1);
                transform: scale3d(1.2, .85, 1)
    }
    65% {
        -webkit-transform: scale3d(.9, 1.05, 1);
                transform: scale3d(.9, 1.05, 1)
    }
    75% {
        -webkit-transform: scale3d(1.05, .95, 1);
                transform: scale3d(1.05, .95, 1)
    }
}
.imgbtn--rubber:hover::before {
    -webkit-animation: rubber 1s;
            animation: rubber 1s
}
@-webkit-keyframes rotate {
    from {
        -webkit-transform-origin: center;
                transform-origin: center
    }
    to {
        -webkit-transform-origin: center;
                transform-origin: center;
        -webkit-transform: rotate3d(0, 0, 1, 360deg);
                transform: rotate3d(0, 0, 1, 360deg)
    }
}
@keyframes rotate {
    from {
        -webkit-transform-origin: center;
                transform-origin: center
    }
    to {
        -webkit-transform-origin: center;
                transform-origin: center;
        -webkit-transform: rotate3d(0, 0, 1, 360deg);
                transform: rotate3d(0, 0, 1, 360deg)
    }
}
.imgbtn--rotate:hover::before {
    -webkit-animation: rotate 1s;
            animation: rotate 1s
}
@-webkit-keyframes flip {
    from {
        -webkit-transform: rotate3d(0, 1, 0, -360deg);
                transform: rotate3d(0, 1, 0, -360deg)
    }
    40% {
        -webkit-transform: rotate3d(0, 1, 0, -190deg);
                transform: rotate3d(0, 1, 0, -190deg)
    }
    50% {
        -webkit-transform: rotate3d(0, 1, 0, -170deg);
                transform: rotate3d(0, 1, 0, -170deg)
    }
    to {
        -webkit-transform: rotate3d(0, 1, 0, 0deg);
                transform: rotate3d(0, 1, 0, 0deg)
    }
}
@keyframes flip {
    from {
        -webkit-transform: rotate3d(0, 1, 0, -360deg);
                transform: rotate3d(0, 1, 0, -360deg)
    }
    40% {
        -webkit-transform: rotate3d(0, 1, 0, -190deg);
                transform: rotate3d(0, 1, 0, -190deg)
    }
    50% {
        -webkit-transform: rotate3d(0, 1, 0, -170deg);
                transform: rotate3d(0, 1, 0, -170deg)
    }
    to {
        -webkit-transform: rotate3d(0, 1, 0, 0deg);
                transform: rotate3d(0, 1, 0, 0deg)
    }
}
.imgbtn--flip:hover::before {
    -webkit-backface-visibility: visible;
    backface-visibility: visible;
    -webkit-animation: flip 1s;
            animation: flip 1s
}
/*image style*/
.imgbtn[style] {
    font-weight: 700;
}