html,body {
    width: 100%;
    height: 100%;
    background: #e4e4e4;
    margin: 0;
    padding: 0;
    overflow: hidden;
    font-family: 'Roboto', sans-serif;
    -ms-overflow-style: scrollbar;
    -webkit-box-sizing: border-box;
    box-sizing: border-box;
}
        
nav{
    position: fixed;
    top: 0;
    right: 0;
    left: 0;
    padding: 15px;
    background-color: rgba(255, 255, 255, 0.9);
    display: flex;
    -webkit-flex-wrap: wrap;
    flex-wrap: wrap;
    align-items: center;
    box-shadow: 0px 12px 20px 0px rgba(0, 0, 0, 0.04);
    -webkit-user-select: none;
    user-select: none;
}

.flex{
    flex: 1;
}

.flex-right{
    display: flex;
    -webkit-justify-content: flex-end;
    justify-content: flex-end;
}

.btn {
    font-size: 15px;
    font-weight: 400;
    padding: 16px 20px;
    text-align: center;
    text-decoration: none;
    border-radius: 4px;
    cursor: pointer;
    transition: all .4s;
    -webkit-user-select: none;
    user-select: none;
    -webkit-box-shadow: inset 0 0 0 1px rgba(0,0,0,.16);
    box-shadow: inset 0 0 0 1px rgba(0,0,0,.16);
    color: #080808;
    letter-spacing: 2px;
    text-transform: uppercase;
    display: inline-block;
    margin-left: 15px;
}

.btn-primary {
    -webkit-box-shadow: inset 0 0 0 2px #2F77EB;
    box-shadow: inset 0 0 0 2px #2F77EB;
    color: #080808;
}

.icon {
    display: inline-block;
    width: 60px;
    height: 50px;
    background-repeat: no-repeat;
    background-position: center center;
    vertical-align: middle;
    margin: 0 10px 0 15px;
}



.icon-wasd {
    background-image:url(../assets/wasd.svg);
}

.icon-mouse {
    width: 39px;
    background-image:url(../assets/mouse.svg);
}