Design.css

* {
    margin: 0;
    padding: 0;
    font-family: sans-serif;
}

.mainbox {
    height: 100%;
    width: 100%;
    background-image: linear-gradient(rgba(0, 0, 0, 0.4), rgba(0, 0, 0, 0.4)), url(cooltower.jpg);
    background-position: center;
    background-size: cover;
    position: absolute;
}

.form-box {
    width: 380px;
    height: 530px;
    position: relative;
    margin: 7% auto;
    /* border: 1px rgb(0, 255, 200) solid; */
    background: #03edf5a2;
    border-radius: 15px;
    padding: 5px;

    overflow: hidden;
}

.button-box {
    width: 220px;
    margin: 35px auto;
    position: relative;
    box-shadow: 0 0 20px 9px #01ffd5;
    border-radius: 30px;
}

.toggle-btn {
    padding: 10px 30px;
    cursor: pointer;
    background: transparent;
    border: 0;
    outline: none;
    position: relative;
}

#btn {
    top: 0;
    left: 0;
    position: absolute;
    width: 110px;
    height: 100%;
    background: linear-gradient(to right, #ff105f, #ffad06);
    border-radius: 30px;
    transition: .5s;
}

.word {
    text-align: center;
}

.input-group {
    top: 180px;
    position: absolute;
    width: 280px;
    transition: .5s;
    
}

.input-field {
    width: 100%;
    padding: 10px 10px;
    margin: 5px 0;
    border-left: 0;
    border-right: 0;
    border-top: 0;
    border: 2px solid #095044;
    border-radius: 5px;
    outline: none;
    background: transparent;
    font-size: 18px;
}

.input:focus,
.input-field:focus {
    border: 2px solid #ff00d4;
}

.submit-btn {
    width: 85%;
    padding: 10px 30px;
    cursor: pointer;
    display: block;
    margin: auto;
    background: linear-gradient(to right, #ff105f, #ffad06);
    border: 0;
    outline: none;
    border-radius: 30px;

}

.check-box {
    margin: 30px 10px 30px 0;
    display: block;
    position: relative;
    padding-left: 35px;
    margin-top: 10px;
}

.term {
    padding-left: 20px;
    margin-top: -45px;
    margin-bottom: 10px;
    text-decoration: none;
}
.no-underline {
    text-decoration: none;
}
#login {
    left: 50px;
}

#register {
    left: 450px;
}

.copy {
    background-color: transparent;
    margin-top: 360px;
    padding-top: 15px;
    padding-bottom: 15px;
    text-align: center;
    font-size: 13px;
}