* {
    margin: 0;
    padding: 0;
}
body,#ACU_head {
    background-color: #f5f7fa;
}
#ACU_head {
    height: 100px;
    padding-top: 10px;
    border-bottom: 2.5px #4fc3f7 solid;
    margin: 20px 0 0 0;
}
#ACU_title1 {
    font-size: 35px;
    font-weight: 700;
    margin: 0 0 0 135px;
    color: #2196f3;
}
#ACU_title2 {
    margin: 0 0 0 135px;
    color: #2196f3;
}
#ACU_logo {
    float: left;
    background-color: #f5f7fa;
    color: #2196f3;
    height: 64px;
    width: 64px;
    margin: 10px 0 0 50px;
    border-radius: 32px;
    text-align: center;
    line-height: 64px;
    font-size: 20px;
    border: 1px #2196f3 solid;
}
#ACU_body {
    width: 95%;
    margin: 4% auto;
    border: 2.5px solid #4fc3f7;
    height: 1100px;
    border-radius: 10px;
}
h3 {
    font-size: 26px;
    color: #2196f3;
    margin: 1% 1% 1% -2%;
}
hr {
    border: 0.5px #2196f3 solid;
    margin: 0 0 0 -2%;
}
#ACU_body .ACU_level {
    width: 100%;
}
#ACU_body .ACU_level div {
    width: 66%;
    line-height: 40px;
    margin: 1% 1% 3% 3%;
    float: left;
}
#ACU_body .ACU_level .ACU_videoPic {
    float: right;
    width: 25%;
    margin: 2% 1% 1% 1%;
    height: 210px;
    text-align: center;
}
.ACU_level span {
    float: right;
}