JR_LoginForm/style.css at dev · chaolin1984/JR_LoginForm · GitHub

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*{
    box-sizing: border-box;
}
body{
    background-color:steelblue;
    color: #fff;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100vh;
    overflow: hidden;
    margin: 0;
}
.container {
    background: rgb(0,0,0,0.4);
    padding: 20px 40px;
    border-radius: 5px;
}
.container h1{
    text-align: center;
}
.form-control{
    position: relative;
    margin: 20px 0 40px;
    width: 300px;

}
.form-control input{
    display:block;
    background-color:transparent;
    border: 0;
    border-bottom: 2px #fff solid;
    width: 100%;
    padding: 15px 0;
    font-size: 18px;
    color: #fff;
}
.form-control input:focus,
.form-control input:valid{
    outline: 0;
    border-bottom-color: lightblue;
}
.form-control label {
    position:absolute;
    top: 15px;
    left: 0;
    pointer-events: none;
}
.form-control span{
    display: inline-block;
    font-size: 18px;
    transition: 0.3s cubic-bezier(0.1,0.7,1.0,0.1);

}
.form-control input:focus + label span,
.form-control input:valid + label span{
    color: lightblue;
    transform: translateY(-30px);
}
.btn{
    cursor: pointer;
    display: inline-block;
    width: 100%;
    background-color: lightblue;
    padding: 15px;
    border: 0;
    border-radius: 5px;
    font-size: 16px;
}
.text{
    margin: 30px;
}
.text a{
    color: lightblue;
}