.smartphone {
    position: relative;
    width: 360px;
    height: 640px;
    margin: auto;
    border: 16px black solid;
    border-top-width: 60px;
    border-bottom-width: 60px;
    border-radius: 36px;


}

/* The horizontal line on the top of the device */
.smartphone:before {
    content: '';
    display: block;
    width: 60px;
    height: 5px;
    position: absolute;
    top: -30px;
    left: 50%;
    transform: translate(-50%, -50%);
    background: #333;
    border-radius: 10px;
}

/* The circle on the bottom of the device */
.smartphone:after {
    content: '';
    display: block;
    width: 35px;
    height: 35px;
    position: absolute;
    left: 50%;
    bottom: -65px;
    transform: translate(-50%, -50%);
    background: #333;
    border-radius: 50%;
}

/* The screen (or content) of the device */
.smartphone .content {
    width: 330px;
    height: 530px;
    background: white;
    border: solid 2px;
    overflow-y: scroll;
}

.pointer {
    cursor: pointer !important;
}