.container {
    position: relative;
    padding-top: 20px;
    height: 100vh;
}
.controls {
    position: absolute;
    bottom: 3rem;
    left: 0;
    z-index: 1;
    display: flex;
    justify-content: center;
    width: 100%;
}
/* .a-enter-vr {
    display: none;
} */
button {
    background-color: transparent;
    border: 0;
    cursor: pointer;
}

:root {
--bg: #dcdde1;     
--color-icon: #535c68;  
--icon1: #e4405f;
--icon2: #3b5999;
--icon3: #76af5f; 
}

* {
    margin: 0;
    padding: 0;  
}

.icon-list {
    width: 100%;
    max-width: 50rem;
    padding: 0 1.5rem;
    display: flex;
    justify-content: space-between;
}

.icon-item {
    list-style: none
}

.icon-link {  
    display: inline-flex;
    font-size: 3rem;  
    text-decoration: none;  
    color: var(--color-icon);
    width: 6rem;
    height: 6rem;   
    transition: .5s linear;
    position: relative;
    z-index: 1;
    margin: auto
}

.icon-link:hover {
    color: #fff;
}

.icon-link i {
    margin: auto;    
}

.icon-link::before {  
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    width: 6rem;
    height: 6rem;
    background: #000;
    border-radius: 50%;
    z-index: -1;
    transform: scale(0);
    transition: 0.3s cubic-bezier(.95, .32, .37, 1.21);
}

.icon-link:hover::before {  
    transform: scale(1);
}

.icon-item:nth-child(1) button:hover:before { 
    background: var(--icon1); 
}

.icon-item:nth-child(2) button:hover:before { 
    background: var(--icon2); 
}

.icon-item:nth-child(3) button:hover:before { 
    background: var(--icon3); 
}

h1.logo{
    background: url(../myc-logo.png) no-repeat 0 0;
    background-size: 100%;
    height: 56px;
    margin: 0 auto;
    width: 235px;
    position: absolute;
    z-index: 1;
    bottom: 5rem;
    left: 5rem;
}