.solution{
    background-color: coral;
    margin: 0.5%;
}

.in_box{
    background-color: orange;
    margin: 0.5%;
}
.out_box{
    background-color: greenyellow;
    margin: 0.5%;
}
.acid_data{
    background-color: lemonchiffon;
    margin: 0.5%;
}
.acid_box{
    background-color: yellow;
    margin: 0.5%;
}

.charge{
    width: 25px;
}

.pKa{
    width: 50px;
}

.pKsol{
    width: 50px;
}

#header-wrap{
    background-color: azure;
}

.header-middle{
    background-color: beige;
}

footer{
    background-color: aqua;
}

#contents{
    background-color: #FFA0A0; 
}

.header-title{
    font-size: 80px;
}