.scrollup {
    width:70px;
    height:70px;
    top:44vh;
    position:fixed;
    display:none;
    right:0;
    z-index: 9999;
}
.scrollup .splash-icon {
    display:inline-block;
    margin-top:0;
    margin-bottom:0;
    padding:0;
    text-align:center;
}

/* Animated Icon */
.scrollup .splash-icon i {
    width:50px;
    height:50px;
    position:relative;
    display:inline-block;
    margin:15px;
    text-align:center;
    border-radius:50%;
    font-size:0px;
    color:#999;
    cursor: pointer;
    z-index: 1;
}
.scrollup .splash-icon i:after {
    width:100%;
    height:100%;
    position:absolute;
    border-radius:50%;
    pointer-events: none;
    content: '';
    -webkit-box-sizing: content-box;
    -moz-box-sizing: content-box;
    box-sizing: content-box;
}
.scrollup .splash-icon i:before {
    display:block;
    font-size:32px;
    line-height:50px;
    font-weight:normal;
    text-transform:none;
    speak: none;
    font-style: normal;
    font-variant: normal;
    -webkit-font-smoothing: antialiased;
}
.scrollup .splash-icon i {
    background: rgba(100,100,100,0.1);
    /* hellblau: (159,186,206,0.1) */
        -webkit-transition: -webkit-transform ease-out 0.1s, background 0.2s;
    -moz-transition: -moz-transform ease-out 0.1s, background 0.2s;
    -ms-transition: -moz-transform ease-out 0.1s, background 0.2s;
    -o-transition: -moz-transform ease-out 0.1s, background 0.2s;
    transition: transform ease-out 0.1s, background 0.2s;
}
.scrollup .splash-icon i:after {
    top:0;
    left:0;
    padding:0;
    z-index: -1;
    box-shadow: 0 0 0 2px rgba(200,200,200,0.1);
    opacity: 0;
    -webkit-transform: scale(0.9);
    -moz-transform: scale(0.9);
    -ms-transform: scale(0.9);
    -o-transform: scale(0.9);
    transform: scale(0.9);
}
.scrollup .box:hover .splash-icon i {
    color:#999;
    background: rgba(100,100,100,0.07);
    -webkit-transform: scale(0.93);
    -moz-transform: scale(0.93);
    -o-transform: scale(0.93);
    -ms-transform: scale(0.93);
    transform: scale(0.93);
}
.scrollup .box:hover .splash-icon i:after {
    -webkit-animation: sonarEffect 1.3s ease-out 75ms;
    -moz-animation: sonarEffect 1.3s ease-out 75ms;
    animation: sonarEffect 1.3s ease-out 75ms;
}