.main{
    width: 100vw;
    height: 100vh;
    background-image: url("../images/login_bg.png");
    background-repeat: no-repeat;
    background-size: cover;
    background-position: center center;
}

.header{
    width: 100%;
    height: 80px;
    /*background: rgba(16,30,67,0.5);*/
}
.nav{
    width: 1200px;
    margin: 0 auto;
    height: inherit;
}

.content{
    width: 100%;
    height: calc(100vh - 80px);
}


.content_box{
    width: 1200px;
    margin:  0 auto;
    height: 100%;
    justify-content: space-evenly;
}

.form_box{
    width: 350px;
    background: #ffffff;
    border-radius: 5px;
    padding: 30px;
    box-sizing: border-box;
}

.my-input-box{
    height: 45px;
    border-radius: 45px;
}

.my-input-box input{
    height: inherit;
    border-radius: 45px;
    padding-left: 30px;
    border-color: #a3b1bf;
}