body {
    background: #ecf0f1;
}

.call-page {
    position: relative;
    top: 50px;
    display: block;
    margin: 0 auto;
    width: 600px;
    height: 600px;
}

#localVideo {
    width: 150px;
    height: 150px;
    position: absolute;
    top: 0;
    right: 0;
    background: #2c3e50;
    border-radius: 15px;
}

#remoteVideo {
    background: #34495e;
    width: 600px;
    height: 600px;
    border-radius: 15px 15px 0 0;
}

.btn {
    font-family: "Roboto", sans-serif;
    width: 100%;
    padding: 10px;
    font-size: 28px;
    border: none;
    background: #e74c3c;
    color: #ecf0f1;
    border-radius: 0 0 15px 15px;
    cursor: pointer;
}

.btn:hover,
.btn:active{
    border: none;
    background: #cc2b19;
}