body, html {
    height: 100%;
  }

.background {
    background : url(./images/background.png) no-repeat center center fixed;
    background-position: center;
    -webkit-background-size: cover;
    -moz-background-size: cover;
    -o-background-size: cover;
    background-size: cover;
    height: 100%;
}

.mask {
    position: absolute;
    top: 340px;
    left: 0;
    right: 0;
    overflow: hidden;
    width: 100%;
    /*height: 100%;*/
  }

.bg-red {
    background-color: brown;
}

.button-block{
    /*width: 660px;*/
    max-width: 800px;
    margin: 50px auto;
  }

.no-padding {
    padding-left: 0px;
    padding-right: 0px;
}

.social{
  display: inline-block;
  margin: 40px;
  cursor: pointer;
}

.social a {
    display: block;
    background: rgba(0, 0, 0, 1);
    padding: 20px;    
    position: relative;
    transform: perspective(1000px) rotate(-30deg) skew(25deg) translate(0,0);
    box-shadow: -20px 20px 10px rgba(0, 0, 0, 0.5);
    transition: all 0.5s ease-in-out;
}

.social a::before {
    display: block;
    content:"";
    position: absolute;
    width: 20px;
    height: 100%;
    left: -20px;
    top: 10px;
    background: rgba(0, 0, 0, 0.7);
    transform: rotate(0deg) skewY(-45deg); 
}

.social a::after {
    display: block;
    content:"";
    position: absolute;
    bottom: -20px;
    left: -10px;
    height: 20px;
    width: 100%;
    transform: rotate(0deg) skewX(-45deg); 
    background: rgba(0, 0, 0, 0.7);
    transform: rotate(45deg) scewY(-45deg); 
}

.social a:hover {
    transform: perspective(1000px) rotate(-30deg) skew(25deg) translate(20px, -20px);
    box-shadow: -50px 50px 30px rgba(0, 0, 0, 0.5);
}

.social a i {
    color: rgba(256, 256, 256, 1);
    font-size: 30pt;
    height: auto;
}

.copied-tooltip > .tooltip-inner {
    background-color: #3ba55d !important;
    color: #fff;
    font-weight: 600;
  }

.copied-tooltip .tooltip-arrow::before {
    border-top-color: #3ba55d !important;
}

#Btn-Copied {
    margin: 0px;
}