style.css

body{
    max-width: 1162px;
    width: 100%;
    margin: 0 auto;
    padding: 0;
}
.result{
    padding: 30px 0;;    
}
.line{
    display: inline-block;
    vertical-align: middle;
}
.result__output{
    width: 79%;
}
.result__output input, .result__but button{
    width: 100%;
}
.result__but{
    width: 20%;
}
.formsender{
    text-align: center;
}
#forms{
    border: 1px solid #000;
    max-width: 700px;
    width: 100%;
    text-align: center;
    margin: 25px auto;
    padding: 50px;
}
.form__line{
    padding-bottom: 15px;
}
.form__line label, .form__line input{
    display: inline-block;
}
.form__line label{
    width: 20%;
    text-align: right;
    padding-right: 25px;
}
.form__line input{
    width: 55%;
    text-align: left;
}
#headline{
    font-weight: bold;
}

.corect{
    text-align: center;
    cursor: pointer;
    width: 10%!important;
}