.login_main {
    background: url("../images/login.png") no-repeat center top/cover;
    min-height:100%;
    display:flex;
    flex-direction:column;
    justify-content:center;
}
.login_main .welcome {
    font-size: 1rem;
    color: #fff;
    text-align: center;
    margin-bottom:1rem;
}
    .login_main .content{
        width:70%;
        margin:0 auto;
    }
    .group {
        text-align: center;
        display: flex;
        border-bottom: 1px solid rgba(255, 255, 255, 0.2);
        align-items: center
    }
    .group input {
        flex: 1;
        border: none;
        padding:0 0.2rem;
        color: #fff;
        height: 1rem;
        width: 100%;
        background-color:transparent;
    }
    .group .pic {
        display: flex;
        width: 0.5rem;
        height: 0.6rem;
        align-items: center
    }

.group img{
    width: 100%;
}
.footer {
    text-align: center;
    padding-top: 0.5rem;
}
.login{
    display: inline-block;
    color: #fff;
    width: 100%;
    /*background: linear-gradient(to bottom right, #27d8d0 0%, #3de3b5 100%);*/
    background: #00c071;
    height: 1rem;
    line-height:1rem;
    font-size: 0.32rem;
    border-radius: 100px;
}
.login:active{
    box-shadow: 0 0 10px #27d8d0;
    color: #fff;
}
.sign-up{
    text-align: right;
    margin-top:0.2rem;
}
.sign-up a{
    text-decoration: underline;
    color: #2ab3a9;
    letter-spacing: 1px;
}
.sign-up a:active{
    color: #ffffff;
}