*{
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: helvetica;
}

.main{
    width: 500px;
    margin: 50px auto;
    border-radius: 10px;
    border: 5px solid #a2121c;
    border-left: 40px solid #a2121c;
    box-shadow: 1px 2px 10px black;
}
.info{
    width: 100%;
    background-color: #c3435a;
    padding: 7px;
    text-shadow: 1px 1px 1px #222;
    color: #fff;
    font-size: 20px;
}
.form-box{
    padding: 20px;
    background-color: rgba(0,0,0,0.7);
}
label{
    color: black;
    font-size: 18px;
}
#inp,.msg-box{
    width: 100%;
    padding: 10px;
    margin-top: 4px;
    margin-bottom: 5px;
    border-radius: 5px;
    border: 2px solid #a2121c;
    font-weight: bold;
    color: #c3435a;
    border-right: 15px solid #a2121c;
    border-left: 15px solid #a2121c;
    resize: none;
}
.msg-box{
    height: 80px;
}
#inp:focus,.msg-box:focus{
    outline: none;
    border: 2px solid #142351;
    border-right: 15px solid #142351;
    border-left: 15px solid #142351;
}
.sub-btn{
    width: 100%;
    padding: 10px;
    border-radius: 5px;
    margin-top: 5px;
    border: none;
    background: linear-gradient(#a2121c,#800000);
    cursor: pointer;
    color: #fff;
    font-size: 20px;
    text-shadow: 1px 1px 1px #444;
}
.sub-btn:hover{
    background: linear-gradient(#800000,#a2121c);
    opacity: 0.8;
    transition: all ease-out 0.2s;
}
.sub-btn:focus{
    outline: none;
}
@media(max-width: 720px){
    .main{
        width: 90%;
    }
}