.border {
 position: absolute;
 top: 50%;
 left: 50%;
 transform: translate(-50%,-50%);
 height: auto;
 width: 400px;
 border: 15px solid black;
 border-radius: 15px;
}
.container {
 width: auto;
 position: absolute;
 top: 30%;
 left: 50%;
 transform: translate(-50%,-50%);
 text-align: center;
}
.banner {
 padding: 1em;
 text-align: center; 
}
.sep {
 width: 100%;
 border-bottom: 1px solid red;
}
.lp {
 float: left;
 width: 50%;
}
.lw {
 float: right;
 position: relative;
 width: 50%;
}
.lw input {
 border: none;
 width: 75%;
}
.button {
 position: relative;
 float: right;
}