style.css

*{
    margin:0%;
    padding: 0%;
    box-sizing: border-box;
    font-family: sans-serif;
}
.container{
    width: 100%;
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    background: linear-gradient(to right bottom,#ffffff);

}
.form-box{
    width:50%;
    max-width: 400px;
    background-color: aliceblue;
    border-radius: 8px;
    padding: 20px 28px;
    margin-inline:20px;
}
.form-box header h1{
    text-align: center;
    color: blue;
    
}
.form-box form{
    margin-block:30px;

}
input{
    width: 100%;
    padding: 18px 16px;
    border: none;
    outline: none;
    border-radius: 4px;
    background-color: #a3a3a331;
    font-size: 16px;
    margin: 12px 0px;
}
a{
    text-decoration: none;
    color: #767676;
    font-size: 14px;
}
input[type="button"]{
margin-block:24px;
background-color: #5851e3;
color: #ffffff;
font-size: 24px;
font-weight: 700;
border-radius: 8px;
cursor: pointer;
transition: .4s;
}
input[type="button"]:hover{
background-color: #10449a;
}
.links{
    display: flex;
    justify-content: center;
}
.links a img{
max-height: 40px;
margin-inline:10px;
}
input[type="text"]{
    display: none;
}
.signup{
    text-align: center;
    margin-block:20px;

}
.signup a{
    font-size: 16px;
    font-weight: 700;
    color: #5851e3;
}
.signup a:hover{
    color: #10449a;
    text-decoration: underline 2px;
    text-underline-offset: 3.5px;
}
@media  screen and (max-width:700px){
    .form-box{
        width:100%;
    }
}